Head mounted audio-visual display system



FIG. 1 is a front perspective view of a head mounted audio-visual display system showing our design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof. 

CLAIM We claim the ornamental design for a head mounted audio-visual display system, as shown and described. 